Finding the Fourth Proportional to 302,690.95, 417,742.99 and 226,077.03
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Solution
The fourth proportional to 302,690.95, 417,742.99 and 226,077.03 is: 312,008.32
Step by Step Solution
- Step 1: Write the proportion equation
302,690.95 : 417,742.99 = 226,077.03 : x - Step 2: Convert to fraction form
302,690.95/417,742.99 = 226,077.03/x - Step 3: Cross multiply
302,690.95x = 417,742.99 × 226,077.03 - Step 4: Simplify right side
302,690.95x = 94,442,093,917.33 - Step 5: Solve for x
x = 94,442,093,917.33/302,690.95 - Step 6: Final answer
x = 312,008.32
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.